<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./node_modules/jquery/dist/jquery.js"></script>
</head>
<body>
        <div style="background: red; width: 100px; height: 100px;"></div>
        <script>
            //  console.log($);
            $('div').click(()=>{
                // alert('点击了');
                $('div').hide();

                setTimeout(() => {
                    $('div').show();
                }, 1000);
            })


        </script>
</body>
</html>